Square Belt with a 3.875" (98.43 mm) IC, and a thickness of 0.046" (1.17mm).
works good after installing the belt
this is a quality made belt alright, great buy.
Perfect fit and got my retro cassette player up and running again!
the belt is fresh and soft with 0 distortion during travel sony units is finicky about this factor a properly designed belt=excellent sound, perfect thanks MCM...
Overall, my MCM experience was great! They delivered fast and as promised. Great product, great price!